Extrusion



FIG. 1 is a front view of an extrusion showing the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof from another angle.

The drawings contain a symbolic break. The portion between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for an extrusion, as shown and described. 